Jet lag 时差反应,飞机时差综合症
I'm still suffering from jet lag after my trip to Australia.
Allergy 过敏症
have an allergy to certain milk products
对某些奶制品有过敏反应
Flu 流感
I was too weak from the flu to work.
我因患流行性感冒身体虚弱不能工作.
Rash 皮疹
I break out/come out in a rash if I eat chocolate.
我一吃巧克力, 就出皮疹.
Have a fever 发烧
He had a slight fever.
他有点发烧。
Get a headache 头疼